Pipe Fitting Weight Calculators
Professional ASME B16.5 & B16.9 calculators for procurement engineers, freight forwarders, and project managers. Trusted by industry professionals worldwide.
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Select a tool to calculate theoretical weights instantly
Flange Weight Calculator
Weld neck, slip on, blind, socket weld & threaded flanges
Elbow Weight Calculator
45° & 90° long radius and short radius elbows
Tee Weight Calculator
Equal & reducing tees with smart branch validation
Reducer Weight Calculator
Concentric & eccentric butt-weld reducers
Built for Engineering Professionals
Standards-compliant calculations you can trust
ASME B16.5
Flange dimensions per latest standard
ASME B16.9
Butt-weld fitting weights
13 Schedules
SCH 10, 20, 30, STD, 40, 60, XS, 80, 100, 120, 140, 160, XXS
5 Materials
A105, F304, F316, F11 + custom density
kg / lb
Instant unit switching
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Works on any device
ASME B16.5 Flange Weights
Calculate theoretical weights for weld neck (WN), slip on (SO), blind (BL), socket weld (SW) and threaded (THD) flanges per ASME B16.5. Supports Class 150, 300, 600, 900, 1500 and 2500 pressure ratings in NPS 1/2" through 24". Includes A105 carbon steel, F304/F316 stainless steel, and F11 alloy steel with custom density input.
Calculate flange weightASME B16.9 Fitting Weights
Butt-weld fitting weight calculators for 45°/90° elbows (long & short radius), equal/reducing tees, and concentric/eccentric reducers. Covers SCH 10, 20, 30, STD, 40, 60, XS, 80, 100, 120, 140, 160 and XXS schedules with automatic geometry validation.
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